/Engine/Source/Editor/VREditor/Public/UI/VREditorUISystem.h
Sets the text wrap size of the text block element nested in a BlockWidget
[TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [SWidget](API\Runtime\SlateCore\Widgets\SWidget) > SetButtonFormatting ( [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [SWidget](API\Runtime\SlateCore\Widgets\SWidget) > & BlockWidget, float WrapSize )